00265nam a2200109Ia 4500100001700000250001300017942000700030245004500037260003900082082001500121999001900136  aJames A.Senn  a2nd 1989  cBK  aAnalysis & Design of Information Systems  aMcGrawhill Pub. Pvt.Ltd. Singapore  a658.4bJAM  c422193d422193